OsmoBSC> enable
OsmoBSC# configure terminal
OsmoBSC(config)# network
OsmoBSC(config-net)# bts 0

OsmoBSC(config-net-bts)# ### Check that first setting early-IA and then enabling frequency hopping throws an error
OsmoBSC(config-net-bts)# immediate-assignment pre-chan-ack
OsmoBSC(config-net-bts)# trx 0
OsmoBSC(config-net-bts-trx)# timeslot 2
OsmoBSC(config-net-bts-trx-ts)# hopping enabled 1
% ERROR: 'hopping enabled 1' works only with 'immediate-assignment post-chan-ack'
OsmoBSC(config-net-bts-trx-ts)# hopping enabled 0
OsmoBSC(config-net-bts-trx-ts)# exit
OsmoBSC(config-net-bts-trx)# exit
OsmoBSC(config-net-bts)# immediate-assignment post-chan-ack

OsmoBSC(config-net-bts)# ### Check that first enabling frequency hopping and then setting early-IA throws an error
OsmoBSC(config-net-bts)# trx 0
OsmoBSC(config-net-bts-trx)# timeslot 2
OsmoBSC(config-net-bts-trx-ts)# hopping enabled 1
OsmoBSC(config-net-bts-trx-ts)# exit
OsmoBSC(config-net-bts-trx)# exit
OsmoBSC(config-net-bts)# immediate-assignment pre-chan-ack
% ERROR: 'hopping enabled 1' works only with 'immediate-assignment post-chan-ack', see timeslot 0-0-2-NONE